[INFO] cloning repository https://github.com/preciousken/rust-concepts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/preciousken/rust-concepts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpreciousken%2Frust-concepts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpreciousken%2Frust-concepts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74be71e9f8a8bcbe5e39fb1e271616925421ff57
[INFO] testing preciousken/rust-concepts against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpreciousken%2Frust-concepts" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/preciousken/rust-concepts
[INFO] finished tweaking git repo https://github.com/preciousken/rust-concepts
[INFO] tweaked toml for git repo https://github.com/preciousken/rust-concepts written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/preciousken/rust-concepts on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/preciousken/rust-concepts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b9b8233759d0a171ed56f4847d244006e3929a457f9dde9fd9ce776d4babf40
[INFO] running `Command { std: "docker" "start" "-a" "4b9b8233759d0a171ed56f4847d244006e3929a457f9dde9fd9ce776d4babf40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b9b8233759d0a171ed56f4847d244006e3929a457f9dde9fd9ce776d4babf40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9b8233759d0a171ed56f4847d244006e3929a457f9dde9fd9ce776d4babf40", kill_on_drop: false }`
[INFO] [stdout] 4b9b8233759d0a171ed56f4847d244006e3929a457f9dde9fd9ce776d4babf40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06e5c803d5e440a33cbab54a099b48c6285d08ec33e82d9a21e1ac630efe81dd
[INFO] running `Command { std: "docker" "start" "-a" "06e5c803d5e440a33cbab54a099b48c6285d08ec33e82d9a21e1ac630efe81dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling bytemuck v1.19.0
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling atomic v0.6.0
[INFO] [stderr]    Compiling ferris-says v0.3.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling uuid-macro-internal v1.10.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling uuid v1.10.0
[INFO] [stderr]    Compiling ord-uuid v0.1.3
[INFO] [stderr]    Compiling helloProject v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `helloProject`
[INFO] [stdout]   --> src/main.rs:97:2
[INFO] [stdout]    |
[INFO] [stdout] 97 |
[INFO] [stdout]    | ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `helloProject` (bin "helloProject") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "06e5c803d5e440a33cbab54a099b48c6285d08ec33e82d9a21e1ac630efe81dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e5c803d5e440a33cbab54a099b48c6285d08ec33e82d9a21e1ac630efe81dd", kill_on_drop: false }`
[INFO] [stdout] 06e5c803d5e440a33cbab54a099b48c6285d08ec33e82d9a21e1ac630efe81dd